CHAPTER 3 SYSTEM DATA PROGRAMMING– 340 – NWA-008853-001 Rev.3.097ch3005.fmUNIFORM NUMBERING PLAN-CCISGeneral DescriptionIn a CCIS network, a Uniform Numbering Plan enables a station user to call any other station in the net-work. Two alternative numbering plans are provided. In the first plan, the station user dials any digits sta-tion number from three to eight. The location of the office is identified by the first one-, two-, or three-digit of the station number. In the second plan, the station user dials a one-, two-, or three-digit officecode and any digit station number from two to eight.ProgrammingRefer to “Numbering Plan Assignment”.Operating ProcedureTo call a station located in another office by using Numbering Plan 1:1. Lift the handset and receive dial tone.2. Dial any digit station number three to eight.3. The call is routed to another office according to programmed routing information, and the calledstation rings.4. The called station answers and the parties are connected.To call a station located in another office by using Numbering Plan 2:1. Lift the handset and receive dial tone.2. Dial the access code for CCIS.3. Dial the one-, two- or three-digit office code and any digit station number from two to eight.4. The call is routed to the office designated by the office code. The called station rings.5. The called station answers and the parties are connected.UNIFORM NUMBERING PLAN-CCIS